CN215402608U

CN215402608U - Claw for crane

Info

Publication number: CN215402608U
Application number: CN202121165553.4U
Authority: CN
Inventors: 曹丙伟; 朱树吉
Original assignee: Shandong Guoan Heavy Industry Group Co ltd
Current assignee: Shandong Guoan Heavy Industry Group Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-04
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a claw for a crane, which relates to the technical field of crane claws and comprises a lifting hook, wherein a claw component is arranged on the outer side of the lifting hook, the claw component comprises an installation plate, a hanging rod is fixedly installed at the top of the installation plate, a hydraulic cylinder is fixedly installed at the bottom of the installation plate through a bolt, a cross installation block is fixedly installed at the extending end of the hydraulic cylinder, connecting short rods are movably installed on the outer sides of four ends of the cross installation block through shaft rods, and four support columns are fixedly installed at the bottom of the installation plate; the claw tool component is used for being installed on a crane hook to be hung, the claw tool head can be opened and tightly clamped by stretching out or retracting the telescopic rod in the hydraulic cylinder, the claw tool head is hinged to the inner side of the L-shaped transmission rod, one end, close to the L-shaped transmission rod, of the claw tool head is supported by the telescopic spring and the wedge-shaped block, and when the barrel is hung, the telescopic spring can be flexibly deformed according to the diameter of the barrel, so that the claw tool head can clamp and fix the barrel.

Description

Claw for crane

Technical Field

The utility model relates to the technical field of crane claws, in particular to a claw for a crane.

Background

The crane mainly comprises a hoisting mechanism, an operating mechanism, an amplitude variation mechanism, a rotary mechanism, a metal structure and the like, wherein the hoisting mechanism is a basic operating mechanism of the crane, most of the hoisting mechanism consists of a suspension system and a winch, heavy objects are lifted through a hydraulic system, the operating mechanism is used for longitudinally and horizontally transporting the heavy objects or adjusting the working position of the crane, and generally consists of a motor, a speed reducer, a brake and wheels, the amplitude variation mechanism is only arranged on a cantilever crane, the amplitude of the cantilever crane is reduced when the cantilever crane is lifted up, the amplitude is increased when the cantilever crane is lifted down, the balance amplitude and the unbalance amplitude are divided, and in the hanging and lifting of the crane, the use of a crane clamp is indispensable.

However, most of the existing crane claws are single, and when the lifting steel plate, wooden stick and other claws are used for lifting objects such as a lifting cylinder body, the claws of the special lifting cylinder body need to be bound or replaced by ropes by workers, so that a large amount of time and labor are consumed in replacing the claws, and the working efficiency of lifting the crane claws is greatly reduced.

Therefore, a crane claw needs to be provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a crane claw, which solves the above-mentioned problems of the prior art.

The utility model specifically adopts the following technical scheme for realizing the purpose:

a claw for a crane comprises a lifting hook, wherein a claw component is arranged on the outer side of the lifting hook;

the claw utensil component includes the mounting panel, the top fixed mounting of mounting panel has the string jib, there is the pneumatic cylinder bottom of mounting panel through bolt fixed mounting, the end fixed mounting that stretches out of pneumatic cylinder has cross installation piece, the outside of four ends of cross installation piece all has the connection quarter butt through axostylus axostyle movable mounting, the bottom fixed mounting of mounting panel has four support columns, four the bottom fixed mounting of support column has total claw utensil frame, four equal fixedly connected with fixed quarter butts of four ends of total claw utensil frame.

Further, the outside that total claw utensil frame one end was kept away from to fixed quarter butt has the second transmission stock through bolt fixed mounting, there is first transmission stock in the outside of total claw utensil frame and fixed quarter butt junction through bolt fixed mounting, there is L shape transfer line in the inboard that fixed quarter butt one end was kept away from to first transmission stock through axostylus axostyle movable mounting, there is claw utensil head in the inboard that first transmission stock one end was kept away from to L shape transfer line through axostylus axostyle movable mounting, one side fixed mounting that the claw utensil head rest is close to L shape transfer line has expanding spring, the outside fixed mounting of L shape transfer line has the wedge piece.

Furthermore, the telescopic end of the hydraulic cylinder penetrates through the main claw frame, extends to the outer side of the main claw frame and is fixedly connected with the top of the cross-shaped mounting block.

Furthermore, one end of the connecting short rod, which is far away from the cross-shaped mounting block, is fixedly mounted on one side of the second long transmission rod through a bolt.

Furthermore, the inner side of one end, far away from the fixed short rod, of the second long transmission rod is movably arranged on the outer side of the middle part of the L-shaped transmission rod through a shaft rod.

Furthermore, one end of the telescopic spring, which is far away from the claw head, is fixedly connected to the bottom of the wedge-shaped block.

The utility model has the following beneficial effects:

the utility model is used for hanging and hanging on a crane hook through the arranged claw member, the claw head can be expanded and tightly clamped through the extension or retraction of the telescopic rod in the hydraulic cylinder, the claw head is hinged to the inner side of the L-shaped transmission rod, one end of the claw head close to the L-shaped transmission rod is supported by the telescopic spring and the wedge block, when the cylinder is hung and hung, the telescopic spring can be telescopically deformed according to the diameter of the cylinder, so that the claw head can clamp and fix the cylinder, in addition, the other end of the claw head is arranged in the shape of the barb, the protruding part of the side of the cylinder can be embraced, the claw head is hung and hung, the problem that the claw needs to be replaced when the cylinder is hung and hung is solved, thereby not only reducing a large amount of time and labor consumed in replacing the claw, but also greatly improving the working efficiency of the crane claw hanging and hanging.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a perspective view of a jaw of the present invention;

FIG. 2 is a schematic plan view of the jaw of the present invention;

fig. 3 is an enlarged schematic view of the structure at a of the present invention.

Reference numerals: 1. a hook; 2. a gripper member; 201. mounting a plate; 202. a support pillar; 203. A hydraulic cylinder; 204. a master jaw frame; 205. a cross mounting block; 206. a first long transmission rod; 207. fixing the short rod; 208. a second long transmission rod; 209. connecting a short rod; 210. an L-shaped transmission rod; 211. a gripper head; 212. a wedge-shaped block; 213. a tension spring; 214. and hanging a hanging rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the claw for the crane comprises a hook 1, and a claw member 2 is arranged on the outer side of the hook 1.

In the embodiment, when the crane gripper is used, firstly, the lifting hook 1 is hung in the hanging rod 214 and is firmly installed, firstly, the hydraulic cylinder 203 is opened, the telescopic rods in the hydraulic cylinder 203 are controlled to extend, the telescopic rods push the cross mounting block 205 to displace downwards, the short connecting rods 209 at the four ends of the cross mounting block 205 push the second long transmission rod 208 to displace outwards, as the lower ends of the second long transmission rod 208 and the first long transmission rod 206 are fixedly installed at the outer side of the L-shaped transmission rod 210, and the upper ends of the second long transmission rod and the first long transmission rod 206 are movably installed at the outer side of the main gripper frame 204, the L-shaped transmission rod 210 can be expanded outwards, the gripper heads 211 are also expanded along with the L-shaped transmission rod 210, when an object to be hung is between the four gripper heads 211, the telescopic rods in the hydraulic cylinder 203 are controlled to retract, the four gripper heads 211 are used for hanging the object to be hung, and the inner sides of the L-shaped transmission rod 210 are hinged with the gripper heads 211, one end of the claw head 211 close to the L-shaped transmission rod 210 is supported by a telescopic spring 213 and a wedge-shaped block 212, when the barrel is hung, the telescopic spring 213 can be telescopically deformed according to the diameter of the barrel, so that the claw head 211 can clamp and fix the barrel, the other end of the claw head 211 is arranged in a barb shape, the protruding part of the barrel edge can be embraced to assist the claw head 211 to hang, the problem that the claw needs to be replaced when the barrel is hung is solved, a large amount of time and labor force consumed in replacing the claw are reduced, and the working efficiency of the crane claw hanging is greatly improved.

Specifically, the claw member 2 includes a mounting plate 201, a hanging rod 214 is fixedly mounted on the top of the mounting plate 201, a hydraulic cylinder 203 is fixedly mounted at the bottom of the mounting plate 201 through a bolt, a cross mounting block 205 is fixedly mounted at an extending end of the hydraulic cylinder 203, a connecting short rod 209 is movably mounted on the outer side of each of four ends of the cross mounting block 205 through a shaft rod, four support columns 202 are fixedly mounted at the bottom of the mounting plate 201, a main claw frame 204 is fixedly mounted at the bottom of each of the four support columns 202, a fixed short rod 207 is fixedly connected to each of four ends of the main claw frame 204, a second long transmission rod 208 is fixedly mounted on the outer side of one end of the fixed short rod 207 far away from the main claw frame 204 through a bolt, a first long transmission rod 206 is fixedly mounted on the outer side of the joint of the main claw frame 204 and the fixed short rod 207 through a bolt, and an L-shaped transmission rod 210 is movably mounted on the inner side of one end of the first long transmission rod 206 far away from the fixed short rod 207 through a shaft rod, the inner side of one end of the L-shaped transmission rod 210 far away from the first transmission long rod 206 is movably provided with a claw head 211 through a shaft rod, one side of the claw head 211 close to the L-shaped transmission rod 210 is fixedly provided with a telescopic spring 213, and the outer side of the L-shaped transmission rod 210 is fixedly provided with a wedge-shaped block 212.

In this embodiment, by opening the hydraulic cylinder 203, and controlling the extension rod in the hydraulic cylinder 203 to extend, the extension rod pushes the cross mounting block 205 to move downwards, the short connecting rods 209 at the four ends of the cross mounting block 205 all push the second long transmission rod 208 to move outwards, because the lower ends of the second long transmission rod 208 and the first long transmission rod 206 are fixedly mounted on the outer side of the L-shaped transmission rod 210, the upper end is movably mounted on the outer side of the total claw tool frame 204, so that the L-shaped transmission rod 210 can be opened outwards, the claw tool head 211 is also opened along with the L-shaped transmission rod 210, when an object to be hung is between the four claw tool heads 211, the extension rod in the hydraulic cylinder 203 is controlled to retract, and the four claw tool heads 211 are used for hanging the object to be hung.

Specifically, the telescopic end of the hydraulic cylinder 203 penetrates through the overall gripper frame 204, extends to the outer side of the overall gripper frame 204, and is fixedly connected with the top of the cross-shaped mounting block 205.

In this embodiment, the arrangement is such that the telescopic rod in the hydraulic cylinder 203 drives the cross mounting block 205, and the cross mounting block 205 can be driven by the connecting short rod 209.

Specifically, one end of the connecting short rod 209 far away from the cross-shaped mounting block 205 is fixedly mounted on one side of the second long transmission rod 208 through a bolt.

In this embodiment, the short connecting rod 209 is driven by the driving cross block 205 and drives the long second driving rod 208.

Specifically, the inner side of one end of the second long transmission rod 208 far away from the short fixed rod 207 is movably arranged on the outer side of the middle part of the L-shaped transmission rod 210 through a shaft rod.

In this embodiment, the second long driving rod 208 drives the L-shaped driving rod 210 through the driving of the short fixing rod 207.

Specifically, the end of the extension spring 213 away from the claw head 211 is fixedly connected to the bottom of the wedge-shaped block 212.

In this embodiment, when hanging the hanging barrel body, expanding spring 213 can take place flexible deformation according to the diameter of barrel for claw utensil head 211 carries out the centre gripping to the barrel and fixes, and the other end of claw utensil head 211 sets up to the barb form again, can embrace barrel limit bulge department to help claw utensil head 211 to hang, has solved the problem that hanging the hanging barrel body needs to change the claw utensil.

Claims

1. A claw for a crane comprises a lifting hook (1), and is characterized in that a claw component (2) is arranged on the outer side of the lifting hook (1);

claw utensil component (2) are including mounting panel (201), the top fixed mounting of mounting panel (201) has a string jib (214), there is pneumatic cylinder (203) bottom of mounting panel (201) through bolt fixed mounting, the end fixed mounting that stretches out of pneumatic cylinder (203) has cross installation piece (205), the outside of cross installation piece (205) four ends all has connection quarter butt (209) through axostylus axostyle movable mounting, the bottom fixed mounting of mounting panel (201) has four support columns (202), four the bottom fixed mounting of support column (202) has total claw utensil frame (204), the four equal fixedly connected with fixed quarter butt (207) of four ends of total claw utensil frame (204).

2. The claw tool for the crane according to claim 1, wherein a second long transmission rod (208) is fixedly installed on the outer side of one end, away from a main claw tool frame (204), of the fixed short rod (207) through a bolt, a first long transmission rod (206) is fixedly installed on the outer side of the joint of the main claw tool frame (204) and the fixed short rod (207) through a bolt, an L-shaped transmission rod (210) is movably installed on the inner side of one end, away from the fixed short rod (207), of the first long transmission rod (206), a claw tool head (211) is movably installed on the inner side of one end, away from the first long transmission rod (206), of the L-shaped transmission rod (210), a telescopic spring (213) is fixedly installed on one side, close to the L-shaped transmission rod (210), of the claw tool head (211), and a wedge block (212) is fixedly installed on the outer side of the L-shaped transmission rod (210).

3. The crane gripper as claimed in claim 2, characterized in that the telescopic end of the hydraulic cylinder (203) extends through the overall gripper frame (204) and outside the overall gripper frame (204) and is fixedly connected to the top of the cross mounting block (205).

4. The crane claw tool according to claim 2, wherein one end of the connecting short rod (209) far away from the cross mounting block (205) is fixedly mounted on one side of the second long transmission rod (208) through a bolt.

5. The crane claw according to claim 2, wherein the inner side of one end of the second long transmission rod (208) far away from the short fixed rod (207) is movably arranged on the outer side of the middle part of the L-shaped transmission rod (210) through a shaft rod.

6. The gripper for cranes according to claim 2, characterized in that the end of the extension spring (213) remote from the gripper head (211) is fixedly connected to the bottom of the wedge-shaped block (212).